<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/480x360/54cfd20473568_-_iphone-cases-02-1012-de.jpg>
<http://www.popularmechanics.com/technology/gadgets/reviews/g965/iphone-5-cases/>